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LEA > LEA El 1-15 > Flashcards

LEA El 1-15 Flashcards

1
Q

bony features on superior surface of talus

A
  • trochlea: concave A–>P, convex M–>L
  • articulates w/ tibial plafond
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2
Q

the inferior surface of the head of the talus: facets + their functions

A
  • anterior articular facet and middle articular facet for anterior and middle articular facets of calcaeus
  • inferomedially: attachment for the spring ligament
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3
Q

spring ligament location, fuction

A

supports head of talus between navicular tuberosity and sustentaculum tali

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4
Q

bony features on the inferior surface of body of talus

A

posterior articular facet for posterior articular facet of calcaeus

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5
Q

sulcus tali location, course

A
  • on neck of talus
  • courses anterolaterally
  • ends in sinus tarsi
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6
Q

posterior aspect of talus has _________, divided into ___________ and _________ by the groove for _________

A
  • posterior process
  • medial and lateral tubercles divided by groove for FHL
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7
Q

anterior surface of head of talus articulation

A

has a convex, oval articular surface for the concave posterior surface of the navicular

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8
Q

lateral body of talus articulation

A

triangular articular facet for medial surface of lateral malleolus

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9
Q

medial body of talus articulation

A

pear-shaped articular facet for lateral surface of medial malleolus

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10
Q

facets on superior aspect of calcaneus

A

anterior, middle, posterior articular facets for these 3 facets of talus
- middle facet is on sustentaculum tali
- anterior facet + region below = anterior process

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11
Q

calcaneal sulcus course, location

A
  • superior surface of calcaneus
  • courses anterolaterally, ends in sius tarsi
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12
Q

tarsal canal is made of

A

calcaneal sulcus and sulcus tali

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13
Q

inferior aspect of calcaneus has calcaneal _________ split into _______ and ________ _________ by a groove

A
  • tuberosity is split into medial and lateral processes
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14
Q

sustentaculum tali

A
  • medial aspect of calcaneus
  • superior portion has middle articular facet
  • inferior portion has groove for FHL
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15
Q

bony features on lateral aspect of calcaneus

A
  • fibular trochlea separates grooves for fib brevis an dlongus
  • fibular spine provides attachment for CFL
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16
Q

anterior articulation of calcaneus

A
  • saddle-shaped surface for posterior surface of cuboid
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17
Q

posterior surface of calcaneus

A
  • superior 1/3 is smooth for retrocalcaneal bursa
  • middle 1/3 is rough for achilles and tendon of plantaris attachment
  • inferior 1/3 is rough for weight bearing
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18
Q

bony features: medial surface of cuboid

A

oval facet for lateral surface of lateral cuneiform

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19
Q

bony features: inferior surface of cuboid

A
  • fibular sulcus courses from fibular notch
  • fibular ridge ends in tuberosity of cuboid
  • beak posteriormost
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20
Q

bony features: anterior surface of cuboid

A
  • quadrilateral medial facet for base of 4th met
  • triangular lateral facet for base of 5th met
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21
Q

posterior articulation of cuboid

A
  • saddle-shaped facet for anterior surface of calcaeus
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22
Q

bony features: inferior surface of navicular

A

groove for plantar aspect of tibialis posterior tendon

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23
Q

bony features: medial surface of navicular

A

navicular tuberosity for insertion of main component of tibialis posterior

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24
Q

anterior articulations of navicular

A

3 facets for cuneiforms
- medial: apex up, base down
- intermediate, lateral: apex down, base up

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25
Q

posterior articulation of navicular

A

oval, concave articular surface for head of talus

26
Q

bony features: inferior surface of medial cuneiform

A
  • tuberosity anterior, for attachment of tibialis anterior medially, peroneus longus laterally
  • tuberosity posterior, for attachment for tibialis posterior
27
Q

bony features: medial surface of medial cuneiform

A

oval impression anteroinferiorly for tibialis anterior

28
Q

bony features: lateral view of medial cuneiform

A
  • L-shaped facet posterosuperiorly for intermediate cuneiform
  • oval facet for 2nd met base
29
Q

bony features: anterior surface of medial cuneiform

A

kidney-shaped articular surface for 1st met base

30
Q

bony features: posterior surface of medial cuneiform

A
  • triangular surface for medial facet on anterior surface of navicular
31
Q

bony features: medial surface of intermediate cuneiform

A

L-shaped facet posterosuperiorly for lateral surface of medial cuneiform

32
Q

bony features: lateral surface of intermediate cuneiform

A

elongated facet for medial surface of lateral cuneiform

33
Q

anterior articulation of intermediate cuneiform

A

triangular facet (apex down) for base of 2nd met

34
Q

posterior articulation of intermediate cuneiform

A

triangular facet for middle facet of anterior surface of navicular

35
Q

bony features: medial surface of lateral cuneiform

A
  • elongated facet posterosuperiorly for lateral surface of intermediate cuneiform
  • two small facets for base of 2nd met
36
Q

bony features: lateral surface of lateral cuneiform

A
  • oval facet posterosuperior for medial surface of cuboid
  • may be a small facet for medial surface of 4th met
37
Q

lateral cuneiform anterior articulation

A

triangular facet for base of 3rd met (apex down)

38
Q

lateral cuneiform posterior articulation

A

triangular facet for lateral facet of anterior surface of navicular

39
Q

metatarsal: anatomical neck

A

serves as an attachment for capsule

40
Q

metatarsal: tubercle

A
  • separates anatomical and surgical necks
  • serves as an attachment for MTP ligament
41
Q

first metatarsal head: unique characteristics

A
  • two facets for sesamoids, divided by crista
42
Q

first metatarsal base: unique characteristics

A
  • laterally: oval facet w/ depression for tendon of peroneus longus
  • medially: tubercle for partial attachment of tibialis anterior
43
Q

second metatarsal base: unique characteristics

A

laterally:
- two demifacets anteriorly for medial surface of 3rd metatarsal, two demifacets posteriorly for medial surface of lateral cuneiform
medially:
- oval facet for lateral surface of first cuneiform

44
Q

third metatarsal base: unique characteristics

A

lateral:
- one facet for medial aspect of base of 4th met
medial:
- two facets for base of 2nd met

45
Q

fourth metatarsal base: unique characteristics

A

lateral:
- base has one facet divided into 2 parts for articulation with 5th met base, lateral aspect of lateral cuneiform
medial:
- one facet for articulation w/ lateral surface of 3rd met base

46
Q

5th metatarsal base: unique characteristics

A
  • tuberosity present on lateral aspect of base
47
Q

ankle joint: lateral ligaments

A

ATFL, CFL, PTFL

48
Q

anterior talofibular ligament: location, attachments

A
  • capsular lateral ankle joint ligament
  • attaches anterior border of lateral malleolus, lateral surface of body of talus
49
Q

calcaneofibular ligament: location, attachments

A
  • extracapsular lateral ankle ligament
  • attaches anterior border and apex of lateral malleolus, fibular spine of calcaneus
  • deep to peroneus longus, brevis
50
Q

posterior talofibular ligament: location, attachments

A
  • lateral capsular ankle ligament
  • attaches inferior portion of malleolar fossa, lateral tubercle on posterior process of body of talus
51
Q

deltoid ligament components

A

superficial: tibionavicular, calcaneotibial, posterior talotibial ligaments
deep: deep anterior talotibial ligament

52
Q

tibionavicular ligament: location, attachments

A
  • superficial portion of deltoid ligament, on medial side of ankle
  • blends w/ spring ligament
  • attaches anterior colliculus of medial malleolus, dorsomedial aspect of navicular
53
Q

calcaneotibial ligament: location, attachments

A
  • superficial portion of deltoid ligament, medial ankle
  • attaches anterior colliculus of medial malleolus, sustentaculum tali
54
Q

posterior talotibial ligament: location, attachments

A
  • medial ankle, part of superficial portion of deltoid ligament
  • attaches anterior and posterior colliculi, medial tubercle on posterior process of body of talus
55
Q

deep anterior talotibial ligament: location, attachments

A
  • medial ankle, deep portion of deltoid ligament
  • attaches anterior colliculus, intercollicular groove, medial surface of body of talus
56
Q

functional subtalar joint is ____axial, _____planar

A

uniaxial, triplanar

57
Q

interosseous talocalcaneal ligament: location, attachments

A
  • inside tarsal canal
  • attaches sulcus tali, calcaneal sulcus
58
Q

bifurcate ligament: attachments

A
  • common portion attaches sinus tarsi
  • calcaneocuboid portion attaches dorsomedial aspect of cuboid
  • calcaneonavicular portion attaches dorsolateral aspect of navicular
59
Q

spring ligament: location, attachment, characteristics

A
  • attaches anterior margin of sustentaculum tali, plantar surface of navicular
  • supports head of talus
  • only foot ligament w/ elastic fibers
60
Q

short plantar ligament: location, attachments

A
  • calcaneocuboid joint, deep to long plantar ligament
  • attaches tubercle and transverse groove on plantar surface of calcaneus
  • plantar surface of cuboid, posterior to fibular ridge
61
Q

long plantar ligament: location, function

A
  • superficial to short plantar ligament
  • attaches plantar surface of calcaneus between tuberosity, tubercle
  • superficial fibers attach plantar surface of lesser met bases
  • deep fibers attach fibular ridge, cuboid tuberosity
62
Q

components of sesamoid apparatus

A
  • FHB
  • adductor, abductor hallucis
  • plantar plate
  • sesamoids

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